Data transmission method

Abstract

A data transmission is provided in implementations of the present disclosure. The method includes the following. A scan parameter of a Bluetooth scan or/and a data packet of data transmission is adjusted under a condition. Data is transmitted to a target Bluetooth device via Bluetooth according to an adjusted scan parameter or/and an adjusted data packet.

What is claimed is: 
     
         1 . A data transmission method, applicable to a terminal device and comprising:
 adjusting a scan parameter of a Bluetooth scan or/and adjusting a data packet of data transmission under a condition; and   transmitting data to a target Bluetooth device via Bluetooth according to an adjusted scan parameter or/and an adjusted data packet.   
     
     
         2 . The method of  claim 1 , wherein the data packet comprises a payload and/or a data code rate, and adjusting the data packet of the data transmission comprises:
 adjusting the data packet of the data transmission from a first data packet to a second data packet, wherein a first payload corresponding to the first data packet is larger than a second payload corresponding to the second data packet, and/or a first data code rate corresponding to the first data packet is greater than a second data code rate corresponding to the second data packet.   
     
     
         3 . The method of  claim 1 , wherein adjusting the data packet of the data transmission comprises:
 adjusting the data packet of the data transmission from 2-DH5 to 2-DH3.   
     
     
         4 . The method of  claim 1 , wherein the scan parameter of the Bluetooth scan is adjusted or/and the data packet of the data transmission is adjusted to reduce a transmission interval of the data. 
     
     
         5 . The method of  claim 2 , wherein a packet transmission frequency corresponding to the second data packet is higher than a packet transmission frequency corresponding to the first data packet. 
     
     
         6 . The method of  claim 2 , wherein transmitting the data to the target Bluetooth device via Bluetooth according to the adjusted scan parameter or/and the adjusted data packet comprises:
 scanning for a Bluetooth device by using a standard scan and transmitting the data by using the first data packet to the target Bluetooth device via Bluetooth;   scanning for a Bluetooth device by using an interlaced scan and transmitting the data by using the second data packet to the target Bluetooth device via Bluetooth; or   scanning for a Bluetooth device by using a standard scan and transmitting the data by using the second data packet to the target Bluetooth device via Bluetooth.   
     
     
         7 . The method of  claim 1 , wherein transmitting the data to the target Bluetooth device via Bluetooth according to the adjusted scan parameter or/and the adjusted data packet comprises:
 performing the Bluetooth scan according to the adjusted scanning parameter, and transmitting the data to the target Bluetooth device via Bluetooth according to an unadjusted data packet;   performing the Bluetooth scan according to the adjusted scanning parameter, and transmitting the data to the target Bluetooth device via Bluetooth according to the adjusted data packet; or   performing the Bluetooth scan according to an unadjusted scanning parameter, and transmitting the data to the target Bluetooth device via Bluetooth according to the adjusted data packet.   
     
     
         8 . The method of  claim 1 , wherein adjusting the scan parameter of the Bluetooth scan comprises:
 adjusting a scan-window duration of the Bluetooth scan; and/or adjusting a start time of a first scan-window and a start time of a second scan-window of the Bluetooth scan;   wherein adjusting the scan-window duration of the Bluetooth scan comprises:
 adjusting a scan type of the Bluetooth scan from an interlaced scan to a standard scan; 
   wherein adjusting the start time of the first scan-window and the start time of the second scan-window comprises:
 setting the start time of the first scan-window of an inquiry scan and the start time of the second scan-window of a page scan to be the same or differ by a first time threshold. 
   
     
     
         9 . The method of  claim 8 , wherein adjusting the scan type of the Bluetooth scan from the interlaced scan to the standard scan comprises:
 adjusting a scan type of an inquiry scan from the interlaced scan to the standard scan when the Bluetooth scan comprises the inquiry scan;   adjusting a scan type of a page scan from the interlaced scan to the standard scan when the Bluetooth scan comprises the page scan; or   adjusting a scan type of an inquiry scan from the interlaced scan to the standard scan and adjusting a scan type of a page scan from the interlaced scan to the standard scan, when the Bluetooth scan comprises the inquiry scan and the page scan.   
     
     
         10 . The method of  claim 1 , wherein the condition comprises at least one of:
 an environmental interference value of the data transmission from the terminal device to the target Bluetooth device via Bluetooth meets a threshold condition;   the terminal device needs to transmit the data to the target Bluetooth device via Bluetooth;   a triggering operation is received from a user; or   the terminal device is in a target usage scenario, and the target usage scenario at least comprises a game scenario.   
     
     
         11 . The method of  claim 10 , wherein the environmental interference value of the data transmission from the terminal device to the target Bluetooth device via Bluetooth is determined to meet the threshold condition by determining that a number of times of package loss of the data transmission from the terminal device to the target Bluetooth device via Bluetooth is greater than a value, the value being an integer greater than or equal to 1. 
     
     
         12 . The method of  claim 1 , wherein during the data transmission, a Bluetooth scan function is enabled; and the terminal device has already been connected to the target Bluetooth device via Bluetooth. 
     
     
         13 . The method of  claim 1 , further comprising:
 disabling an inquiry scan or a page scan when the terminal device has been connected with the target Bluetooth device and plays an audio.   
     
     
         14 . A data transmission method, applicable to a terminal device and comprising:
 adjusting a data packet of data transmission from 2-DH5 to 2-DH3 under a condition; and   transmitting data to a target Bluetooth device via Bluetooth according to an adjusted data packet, wherein the data comprises audio data.   
     
     
         15 . The method of  claim 14 , further comprising:
 disabling an inquiry scan or a page scan when the terminal device has been connected with the target Bluetooth device and plays an audio.   
     
     
         16 . The method of  claim 14 , wherein the condition comprises at least one of:
 an environmental interference value of the data transmission from the terminal device to the target Bluetooth device via Bluetooth meets a threshold condition;   the terminal device needs to transmit the data to the target Bluetooth device via Bluetooth;   a triggering operation is received from a user; or   the terminal device is in a target usage scenario, and the target usage scenario at least comprises a game scenario.   
     
     
         17 . A data transmission method, applicable to a terminal device and comprising:
 adjusting a scan parameter of a Bluetooth scan under a condition; and   transmitting data to a target Bluetooth device via Bluetooth according to an adjusted scan parameter.   
     
     
         18 . The method of  claim 17 , wherein adjusting the scan parameter of the Bluetooth scan comprises:
 adjusting a scan-window duration of the Bluetooth scan; and/or adjusting a start time of a first scan-window and a start time of a second scan-window of the Bluetooth scan;   wherein adjusting the scan-window duration of the Bluetooth scan comprises:
 adjusting a scan type of the Bluetooth scan from an interlaced scan to a standard scan; 
   wherein adjusting the start time of the first scan-window and the start time of the second scan-window comprises:   setting the start time of the first scan-window of an inquiry scan and the start time of the second scan-window of a page scan to be the same or differ by a first time threshold.   
     
     
         19 . The method of  claim 18 , wherein adjusting the scan type of the Bluetooth scan from the interlaced scan to the standard scan comprises:
 adjusting a scan type of an inquiry scan from the interlaced scan to the standard scan when the Bluetooth scan comprises the inquiry scan;   adjusting a scan type of a page scan from the interlaced scan to the standard scan when the Bluetooth scan comprises the page scan; or   adjusting a scan type of an inquiry scan from the interlaced scan to the standard scan and adjusting a scan type of a page scan from the interlaced scan to the standard scan, when the Bluetooth scan comprises the inquiry scan and the page scan.   
     
     
         20 . The method of  claim 17 , wherein the condition comprises at least one of:
 an environmental interference value of the data transmission from the terminal device to the target Bluetooth device via Bluetooth meets a threshold condition;   the terminal device needs to transmit the data to the target Bluetooth device via Bluetooth;   a triggering operation is received from a user; or   the terminal device is in a target usage scenario, and the target usage scenario at least comprises a game scenario.